/**
 * ajax????
 * @param url
 * @param successCallback
 * @param errorCallback
 */
function ajaxCall(url,successCallback,errorCallback){
    $.ajax({
        //????
        type : "get",
        //???????
        contentType: "application/json;charset=UTF-8",
        //????
        url : url,
        //????
        success : function (result){
            successCallback(result);
        },
        //??????????????
        error : function(e){
            errorCallback(e);
        }
    });
}
